diff --git a/proposal/sandbox/junit/src/main/org/apache/tools/ant/taskdefs/optional/junit/ArrayEnumeration.java b/proposal/sandbox/junit/src/main/org/apache/tools/ant/taskdefs/optional/junit/ArrayEnumeration.java new file mode 100644 index 000000000..9fe96990f --- /dev/null +++ b/proposal/sandbox/junit/src/main/org/apache/tools/ant/taskdefs/optional/junit/ArrayEnumeration.java @@ -0,0 +1,106 @@ +/* + * The Apache Software License, Version 1.1 + * + * Copyright (c) 2002 The Apache Software Foundation. All rights + * reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * + * 3. The end-user documentation included with the redistribution, if + * any, must include the following acknowlegement: + * "This product includes software developed by the + * Apache Software Foundation (http://www.apache.org/)." + * Alternately, this acknowlegement may appear in the software itself, + * if and wherever such third-party acknowlegements normally appear. + * + * 4. The names "The Jakarta Project", "Ant", and "Apache Software + * Foundation" must not be used to endorse or promote products derived + * from this software without prior written permission. For written + * permission, please contact apache@apache.org. + * + * 5. Products derived from this software may not be called "Apache" + * nor may "Apache" appear in their names without prior written + * permission of the Apache Group. + * + * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED + * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR + * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF + * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT + * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * ==================================================================== + * + * This software consists of voluntary contributions made by many + * individuals on behalf of the Apache Software Foundation. For more + * information on the Apache Software Foundation, please see + * . + */ +package org.apache.tools.ant.taskdefs.optional.junit; + +import java.util.Enumeration; +import java.util.NoSuchElementException; + +/** + * Convenient enumeration over an array of objects. + * @author Stephane Bailliez + */ +class ArrayEnumeration implements Enumeration { + + /** object array */ + private Object[] array; + + /** current index */ + private int pos; + + /** + * Initialize a new enumeration that wraps an array. + * @param array the array of object to enumerate. + */ + public ArrayEnumeration(Object[] array){ + this.array = array; + this.pos = 0; + } + /** + * Tests if this enumeration contains more elements. + * + * @return true if and only if this enumeration object + * contains at least one more element to provide; + * false otherwise. + */ + public boolean hasMoreElements() { + return (pos < array.length); + } + + /** + * Returns the next element of this enumeration if this enumeration + * object has at least one more element to provide. + * + * @return the next element of this enumeration. + * @throws NoSuchElementException if no more elements exist. + */ + public Object nextElement() throws NoSuchElementException { + if (hasMoreElements()) { + Object o = array[pos]; + pos++; + return o; + } + throw new NoSuchElementException(); + } +} +